The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 07, 1978
Filed:
Jan. 17, 1977
Applicant:
Inventors:
Paul Borner, Freigericht, DE;
Hans-Jorg Isensee, Bruchkobel, DE;
Assignee:
Nukem GmbH, Hanau, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21F / ;
U.S. Cl.
CPC ...
2523 / ;
Abstract
There is provided a process for working up and returning without lost waste into the process of casting kernels of uranium-thorium oxide by dissolving the wastes in a nitric acid-hydrofluoric acid mixture and neutralizing the strongly acid solution before the addition to the casting solution. The strong nitric acid solution is evaporated up to the appearance of nitrous gas, the residue diluted with water and this solution brought to a pH of 2.5 to 3.5 with ammonia at a temperature below 40.degree. C.